A nosocomial transmission of crimean-congo hemorrhagic fever to an attending physician in north kordufan, Sudan

Elata, Afraa T.; Karsany, Mubarak S.; Elageb, Rehab M.; Hussain, Marwa A.; Eltom, Kamal H.; Elbashir, Mustafa I.; Aradaib, Imadeldin E.
January 2011
Virology Journal;2011, Vol. 8 Issue 1, p303
Academic Journal
Background: Crimean-Congo hemorrhagic fever (CCHF), a tick-borne disease caused by Crimean-Congo hemorrhagic fever virus (CCHFV), is a member of the genus Nairovirus in the family Bunyaviridae. Recently, CCHFV has been reported as an important emerging infectious viral pathogen in Sudan. Sporadic cases and multiple CCHF outbreaks, associated with nosocomial chain of transmission, have been reported in the Kordufan region of Sudan. Aims: To confirm CCHF in an index patient and attending physician in North Kordufan region, Sudan, and to provide some information on virus genetic lineages. Methods: Antibody captured ELISA, reverse transcription PCR, partial S segment sequences of the virus and subsequent phylogenetic analysis were used to confirm the CCHFV infection and to determine the virus genetic lineages. Results: CCHF was confirmed by monitoring specific IgM antibody and by detection of the viral genome using RTPCR. Treatment with oral ribavirin, replacement with fluid therapy, blood transfusion and administration of platelets concentrate resulted in rapid improvement of the health condition of the female physician. Phylogenetic analysis of the partial S segment sequences of the 2 CCHFV indicates that both strains are identical and belong to Group III virus lineage, which includes viruses from Africa including, Sudan, Mauritania, South Africa and Nigeria. Conclusion: Further epidemiologic studies including, CCHFV complete genome analysis and implementation of improved surveillance are urgently needed to better predict and respond to CCHF outbreaks in the Kordufan region, Sudan.


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